[fixtures] loosen test_cwd check

We're going to use a seed archive soon, which makes the current check not work
anyway. Just do a couple of basic heuristic checks.

Author: sunshowers

fixture-data/src/nextest_tests.rs

@@ -24,8 +24,7 @@ pub static EXPECTED_TEST_SUITES: Lazy<BTreeMap<RustBinaryId, TestSuiteFixture>>
             vec![
                 TestCaseFixture::new("test_cargo_env_vars", TestCaseFixtureStatus::Pass)
                     .with_property(TestCaseFixtureProperty::NotInDefaultSetUnix),
-                TestCaseFixture::new("test_cwd", TestCaseFixtureStatus::Pass)
-                    .with_property(TestCaseFixtureProperty::NeedsSameCwd),
+                TestCaseFixture::new("test_cwd", TestCaseFixtureStatus::Pass),
                 TestCaseFixture::new("test_execute_bin", TestCaseFixtureStatus::Pass),
                 TestCaseFixture::new("test_failure_assert", TestCaseFixtureStatus::Fail),
                 TestCaseFixture::new("test_failure_error", TestCaseFixtureStatus::Fail),

fixtures/nextest-tests/tests/basic.rs

@@ -1,9 +1,5 @@
 // Copyright (c) The nextest Contributors
-use std::{
-    env,
-    io::Read,
-    path::{Path, PathBuf},
-};
+use std::{env, io::Read, path::PathBuf};
 
 #[test]
 fn test_success() {
@@ -66,10 +62,33 @@ fn test_failure_should_panic() {}
 
 #[test]
 fn test_cwd() {
-    // Ensure that the cwd is correct.
+    // Ensure that the cwd is correct. It's a bit tricky to do this in the face
+    // of a relative path, but just ensure that the cwd looks like what it
+    // should be (has a `Cargo.toml` with `name = "nextest-tests"` within it).
     let runtime_cwd = env::current_dir().expect("should be able to read current dir");
-    let compile_time_cwd = Path::new(env!("CARGO_MANIFEST_DIR"));
-    assert_eq!(runtime_cwd, compile_time_cwd, "current dir matches");
+    let cargo_toml_path = runtime_cwd.join("Cargo.toml");
+    let cargo_toml =
+        std::fs::read_to_string(runtime_cwd.join("Cargo.toml")).unwrap_or_else(|error| {
+            panic!(
+                "should be able to read Cargo.toml: {}",
+                cargo_toml_path.display()
+            )
+        });
+    assert!(
+        cargo_toml.contains("name = \"nextest-tests\""),
+        "{} contains name = \"nextest-tests\"",
+        cargo_toml_path.display()
+    );
+
+    // Also ensure that the runtime cwd and the runtime CARGO_MANIFEST_DIR are
+    // the same.
+    let runtime_cargo_manifest_dir =
+        env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR should be set");
+    assert_eq!(
+        runtime_cwd,
+        PathBuf::from(runtime_cargo_manifest_dir),
+        "runtime cwd and CARGO_MANIFEST_DIR are the same"
+    );
 }
 
 #[test]
@@ -149,10 +168,8 @@ fn test_cargo_env_vars() {
 
     // Note: we do not test CARGO here because nextest does not set it -- it's set by Cargo when
     // invoked as `cargo nextest`.
-    assert_env!(
-        "CARGO_MANIFEST_DIR",
-        "__NEXTEST_ORIGINAL_CARGO_MANIFEST_DIR"
-    );
+    // Also, CARGO_MANIFEST_DIR is tested separately by test_cwd.
+
     assert_env!("CARGO_PKG_VERSION");
     assert_env!("CARGO_PKG_VERSION_MAJOR");
     assert_env!("CARGO_PKG_VERSION_MINOR");

nextest-runner/src/test_command.rs

@@ -149,53 +149,47 @@ where
 }
 
 fn apply_package_env(cmd: &mut std::process::Command, package: &PackageMetadata<'_>) {
-    cmd.env(
-        "__NEXTEST_ORIGINAL_CARGO_MANIFEST_DIR",
-        // This is a test-only environment variable set to the *old* cwd. Not part of the
-        // public API.
-        package.manifest_path().parent().unwrap(),
-    )
     // These environment variables are set at runtime by cargo test:
     // https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-crates
-    .env("CARGO_PKG_VERSION", format!("{}", package.version()))
-    .env(
-        "CARGO_PKG_VERSION_MAJOR",
-        format!("{}", package.version().major),
-    )
-    .env(
-        "CARGO_PKG_VERSION_MINOR",
-        format!("{}", package.version().minor),
-    )
-    .env(
-        "CARGO_PKG_VERSION_PATCH",
-        format!("{}", package.version().patch),
-    )
-    .env(
-        "CARGO_PKG_VERSION_PRE",
-        format!("{}", package.version().pre),
-    )
-    .env("CARGO_PKG_AUTHORS", package.authors().join(":"))
-    .env("CARGO_PKG_NAME", package.name())
-    .env(
-        "CARGO_PKG_DESCRIPTION",
-        package.description().unwrap_or_default(),
-    )
-    .env("CARGO_PKG_HOMEPAGE", package.homepage().unwrap_or_default())
-    .env("CARGO_PKG_LICENSE", package.license().unwrap_or_default())
-    .env(
-        "CARGO_PKG_LICENSE_FILE",
-        package.license_file().unwrap_or_else(|| "".as_ref()),
-    )
-    .env(
-        "CARGO_PKG_REPOSITORY",
-        package.repository().unwrap_or_default(),
-    )
-    .env(
-        "CARGO_PKG_RUST_VERSION",
-        package
-            .minimum_rust_version()
-            .map_or(String::new(), |v| v.to_string()),
-    );
+    cmd.env("CARGO_PKG_VERSION", format!("{}", package.version()))
+        .env(
+            "CARGO_PKG_VERSION_MAJOR",
+            format!("{}", package.version().major),
+        )
+        .env(
+            "CARGO_PKG_VERSION_MINOR",
+            format!("{}", package.version().minor),
+        )
+        .env(
+            "CARGO_PKG_VERSION_PATCH",
+            format!("{}", package.version().patch),
+        )
+        .env(
+            "CARGO_PKG_VERSION_PRE",
+            format!("{}", package.version().pre),
+        )
+        .env("CARGO_PKG_AUTHORS", package.authors().join(":"))
+        .env("CARGO_PKG_NAME", package.name())
+        .env(
+            "CARGO_PKG_DESCRIPTION",
+            package.description().unwrap_or_default(),
+        )
+        .env("CARGO_PKG_HOMEPAGE", package.homepage().unwrap_or_default())
+        .env("CARGO_PKG_LICENSE", package.license().unwrap_or_default())
+        .env(
+            "CARGO_PKG_LICENSE_FILE",
+            package.license_file().unwrap_or_else(|| "".as_ref()),
+        )
+        .env(
+            "CARGO_PKG_REPOSITORY",
+            package.repository().unwrap_or_default(),
+        )
+        .env(
+            "CARGO_PKG_RUST_VERSION",
+            package
+                .minimum_rust_version()
+                .map_or(String::new(), |v| v.to_string()),
+        );
 }
 
 /// Applies environment variables spcified by the build script via `cargo::rustc-env`